12050406 has 24 divisors (see below), whose sum is σ = 26718120. Its totient is φ = 3923136.

The previous prime is 12050387. The next prime is 12050417. The reversal of 12050406 is 60405021.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7011 + ... + 8558.

It is an arithmetic number, because the mean of its divisors is an integer number (1113255).

Almost surely, 2^12050406 is an apocalyptic number.

12050406 is an abundant number, since it is smaller than the sum of its proper divisors (14667714).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12050406 is a wasteful number, since it uses less digits than its factorization.

12050406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15620 (or 15617 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 12050406 is about 3471.3694703964. The cubic root of 12050406 is about 229.2629588654.

Adding to 12050406 its reverse (60405021), we get a palindrome (72455427).

The spelling of 12050406 in words is "twelve million, fifty thousand, four hundred six".